January 21

Some 750,000 steel workers walk out in 30 states, largest strike in U.S. history to that time - 1946
 
Postal workers begin four-day strike at the Jersey City, N.J., bulk and foreign mail center, protesting an involuntary shift change.  The wildcat was led by a group of young workers who identified themselves as “The Outlaws”- 1974
 
Six hundred police attack picketing longshoremen in Charleston, S.C. - 2000

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online from Union Communication Services.

http://www.unionist.com/